/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Suma
 */
@WebServlet(name = "index", urlPatterns = {"/index.do"})
public class index extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException {
        try {
            response.setContentType("text/html;charset=UTF-8");
            HttpSession session = request.getSession();
            String action = request.getParameter("Action");
            if (action != null) {
                if (action.equals("Thoat")) {
                    session.removeAttribute("KhachHang");
                    String view = "TrangChu.do";
                    RequestDispatcher rd = request.getRequestDispatcher(view);
                    rd.forward(request, response);
                }
                if (action.equals("TrangChu")) {
                    String view = "index.jsp";
                    request.setAttribute("page", "TrangChu");
                    RequestDispatcher rd = request.getRequestDispatcher(view);
                    rd.forward(request, response);
                }
            } else {
                String view = "index.jsp";
                request.setAttribute("page", "TrangChu");
                RequestDispatcher rd = request.getRequestDispatcher(view);
                rd.forward(request, response);
            }

        } catch (IOException ex) {
            Logger.getLogger(index.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
